1.
A natural resource is?
A. 
A resource that is hard to find
B. 
A resource only found in certain parts of nature
C. 
Anything in the environment that is used by people
D. 
Resources that can't be ever replaced
2.
What is true about the human population?
A. 
It grew rapidly until 1650 AD
B. 
It was 6 billion in 2000 AD
C. 
It grew slowly until 1955 AD
D. 
It was 10 billion in 1000 AD
3.
The human population has grown rapidly during the recent centuries. What has caused this?
A. 
B. 
C. 
Oil Spills and harming sea animals
D. 
Medicine, Agriculture, and Waste Disposal
4.
As you know, Tropical Rain Forests are the most Diverse Ecosystem. What is the second most diverse ecosystem?
A. 
B. 
C. 
D. 
5.
The Purple Marsh Crab is currently on the Threatened Species list. What is happening to this crab?
A. 
It has disappeared from Earth
B. 
It could disappear in the near future
C. 
Its being commonly used as a house-pet
D. 
It could become endangered in the near future
6.
There are many natural events that could cause extinction of a species such as ________ and ________.
A. 
B. 
C. 
Captive Breeding and Poaching
D. 
7.
A(n) ___________ obtains food,water, shelter, and other things it needs to live, grow and reproduce from its environment. (there are more than one answer, check off each answer)
A. 
B. 
C. 
D. 
E. 
8.
Abiotic Factors are ___-living parts of a habitat.
A. 
B. 
C. 
D. 
9.
An example of an abiotic factor is water. However an example of a biotic factor is ___________.
A. 
B. 
C. 
D. 
10.
When a plant makes food using water, sunlight, and carbon dioxide, they are performing what process?
A. 
B. 
C. 
D. 
11.
True or False, the level of organization in an ecosystem from smallest unit to largest unit is Organism, Population, Community, Ecosystem
A. 
B. 
C. 
D. 
12.
Is the example, All of the trees in a forest, an example of a population?
A. 
B. 
C. 
D. 
13.
True or False; All populations live in the same sized area.
A. 
B. 
C. 
D. 
14.
True or False; An ecosystem is a group of organisms that are physically similar and can mate and reproduce with each other to produce offspring that can mate and reproduce.
A. 
B. 
C. 
D. 
15.
Counting the number of red maples in a small area to estimate the number in the entire forest is an example of what type of study to determine population size?
A. 
B. 
C. 
D. 
Mark and Recapture Studies
16.
Counting all of the hawks with and without bands on their legs is an example of what study to determine population size?
A. 
B. 
C. 
D. 
17.
Counting all of the crabs that live in a tide pool is an example of what study to determine population size?
A. 
B. 
C. 
D. 
18.
Counting the number of nesting sites in an area is an example of what study to determine population size?
A. 
B. 
C. 
D. 
19.
Identify the type of relationship for the given example: Bright Yellow Colonial Anemones on a drab Tube Sponge warn fish away from the sponge. The sponge provides space for the anemones.
A. 
B. 
C. 
D. 
20.
Identify the type of relationship for the given example: A parrotfish has a strong "beak" that can crunch rock and eat coral polyps.
A. 
B. 
C. 
D. 
21.
True or False; In Succession, the changes that occur are predictable
A. 
B. 
C. 
D. 
22.
The first species to populate the area in primary succession are called ________ species.
A. 
B. 
C. 
D. 
23.
Choose one of the following animals that COULD NOT survive in a pond ecosystem.
A. 
B. 
C. 
D. 
24.
Which of the following organisms are producers? (check off each one)
A. 
B. 
C. 
D. 
25.
The many overlapping food chains in an ecosystem make up a(n) _________ ______.
A. 
B. 
C. 
D.